java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:40:34,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:40:34,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:40:34,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:40:34,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:40:34,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:40:34,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:40:34,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:40:34,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:40:34,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:40:34,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:40:34,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:40:34,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:40:34,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:40:34,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:40:34,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:40:34,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:40:34,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:40:34,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:40:34,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:40:34,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:40:34,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:40:34,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:40:34,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:40:34,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 22:40:34,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 22:40:34,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 22:40:34,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 22:40:34,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 22:40:34,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 22:40:34,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:40:34,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:40:34,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:40:34,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:40:34,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:40:34,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:40:34,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:40:34,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:40:34,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:40:34,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:40:34,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:40:34,109 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-19 22:40:34,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:40:34,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:40:34,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:40:34,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:40:34,125 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:40:34,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:40:34,125 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:40:34,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:40:34,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:40:34,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:40:34,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:40:34,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:40:34,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:40:34,127 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:40:34,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:40:34,127 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:40:34,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:40:34,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:40:34,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:40:34,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:40:34,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:40:34,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:40:34,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:40:34,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:40:34,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:40:34,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:40:34,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:40:34,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:40:34,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 22:40:34,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:40:34,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:40:34,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:40:34,180 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:40:34,180 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:40:34,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2019-09-19 22:40:34,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c51eed3/010af55b7feb46868f9d3265b4cca2ad/FLAG5fd569dea [2019-09-19 22:40:34,754 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:40:34,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2019-09-19 22:40:34,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c51eed3/010af55b7feb46868f9d3265b4cca2ad/FLAG5fd569dea [2019-09-19 22:40:35,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c51eed3/010af55b7feb46868f9d3265b4cca2ad [2019-09-19 22:40:35,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:40:35,091 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:40:35,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:40:35,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:40:35,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:40:35,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:40:35" (1/1) ... [2019-09-19 22:40:35,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609faa02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:40:35, skipping insertion in model container [2019-09-19 22:40:35,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:40:35" (1/1) ... [2019-09-19 22:40:35,107 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:40:35,162 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:40:35,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:40:35,658 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:40:35,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:40:35,798 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:40:35,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:40:35 WrapperNode [2019-09-19 22:40:35,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:40:35,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:40:35,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:40:35,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:40:35,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:40:35" (1/1) ... [2019-09-19 22:40:35,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:40:35" (1/1) ... [2019-09-19 22:40:35,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:40:35" (1/1) ... [2019-09-19 22:40:35,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:40:35" (1/1) ... [2019-09-19 22:40:35,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:40:35" (1/1) ... [2019-09-19 22:40:35,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:40:35" (1/1) ... [2019-09-19 22:40:35,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:40:35" (1/1) ... [2019-09-19 22:40:35,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:40:35,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:40:35,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:40:35,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:40:35,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:40:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:40:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:40:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:40:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 22:40:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 22:40:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 22:40:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 22:40:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 22:40:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 22:40:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 22:40:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 22:40:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 22:40:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 22:40:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 22:40:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 22:40:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 22:40:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 22:40:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 22:40:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 22:40:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 22:40:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 22:40:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 22:40:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 22:40:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 22:40:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 22:40:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 22:40:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 22:40:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 22:40:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 22:40:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-19 22:40:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 22:40:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 22:40:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 22:40:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 22:40:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 22:40:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 22:40:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 22:40:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 22:40:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:40:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 22:40:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:40:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 22:40:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 22:40:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 22:40:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 22:40:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 22:40:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 22:40:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 22:40:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:40:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:40:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:40:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 22:40:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:40:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 22:40:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 22:40:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:40:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 22:40:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 22:40:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:40:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 22:40:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 22:40:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 22:40:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 22:40:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 22:40:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 22:40:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 22:40:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 22:40:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 22:40:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 22:40:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 22:40:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 22:40:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 22:40:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 22:40:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 22:40:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 22:40:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-19 22:40:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 22:40:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 22:40:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 22:40:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 22:40:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 22:40:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 22:40:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 22:40:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 22:40:35,966 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 22:40:35,966 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 22:40:35,966 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 22:40:35,966 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 22:40:35,966 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 22:40:35,966 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:40:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:40:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 22:40:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:40:37,516 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:40:37,516 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 22:40:37,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:40:37 BoogieIcfgContainer [2019-09-19 22:40:37,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:40:37,518 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:40:37,518 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:40:37,519 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:40:37,520 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:40:37" (1/1) ... [2019-09-19 22:40:37,520 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-19 22:40:37,546 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:40:37,547 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:40:37,558 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:40:37,568 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:40:37,570 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:41:00,330 WARN L191 SmtUtils]: Spent 13.56 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 22:41:02,133 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 22:41:05,860 WARN L191 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 22:41:07,561 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 22:41:09,263 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 22:41:09,278 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 22:41:09,323 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 22:41:09,327 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 22:41:20,260 WARN L191 SmtUtils]: Spent 10.85 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 22:41:25,664 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 22:41:36,328 WARN L191 SmtUtils]: Spent 10.66 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 22:41:41,675 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 22:41:59,553 WARN L191 SmtUtils]: Spent 17.81 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-19 22:42:08,430 WARN L191 SmtUtils]: Spent 8.88 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 22:42:40,186 WARN L191 SmtUtils]: Spent 31.66 s on a formula simplification. DAG size of input: 480 DAG size of output: 477 [2019-09-19 22:42:55,985 WARN L191 SmtUtils]: Spent 15.80 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-19 22:43:13,951 WARN L191 SmtUtils]: Spent 17.92 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-19 22:43:22,840 WARN L191 SmtUtils]: Spent 8.89 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 22:43:38,914 WARN L191 SmtUtils]: Spent 16.07 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-19 22:43:40,208 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-19 22:43:40,763 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-19 22:43:40,901 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-19 22:43:41,078 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-19 22:43:41,302 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 22:43:41,966 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-19 22:43:42,492 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-19 22:43:42,629 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-19 22:43:42,787 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-19 22:43:43,010 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 22:43:43,017 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 22 for LOIs [2019-09-19 22:43:43,308 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2019-09-19 22:43:43,495 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-19 22:43:43,728 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-19 22:43:43,944 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-19 22:43:44,203 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 22:43:44,321 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 22:43:44,491 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-19 22:43:44,494 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-19 22:43:44,519 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 22:43:44,519 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 22:43:44,522 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 450#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-19 22:43:44,537 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 22:43:44,537 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 22:43:44,539 INFO L168 Benchmark]: Toolchain (without parser) took 189447.89 ms. Allocated memory was 134.2 MB in the beginning and 159.4 MB in the end (delta: 25.2 MB). Free memory was 88.6 MB in the beginning and 76.2 MB in the end (delta: 12.3 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. [2019-09-19 22:43:44,540 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 22:43:44,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.79 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.6 MB in the beginning and 164.3 MB in the end (delta: -75.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-09-19 22:43:44,542 INFO L168 Benchmark]: Boogie Preprocessor took 95.37 ms. Allocated memory is still 201.3 MB. Free memory was 164.3 MB in the beginning and 159.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-19 22:43:44,543 INFO L168 Benchmark]: RCFGBuilder took 1622.91 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 159.8 MB in the beginning and 146.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-09-19 22:43:44,544 INFO L168 Benchmark]: Sifa took 187019.39 ms. Allocated memory was 228.1 MB in the beginning and 159.4 MB in the end (delta: -68.7 MB). Free memory was 144.7 MB in the beginning and 76.2 MB in the end (delta: 68.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 22:43:44,547 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.79 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.6 MB in the beginning and 164.3 MB in the end (delta: -75.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.37 ms. Allocated memory is still 201.3 MB. Free memory was 164.3 MB in the beginning and 159.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1622.91 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 159.8 MB in the beginning and 146.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * Sifa took 187019.39 ms. Allocated memory was 228.1 MB in the beginning and 159.4 MB in the end (delta: -68.7 MB). Free memory was 144.7 MB in the beginning and 76.2 MB in the end (delta: 68.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 186975, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 231, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 156, TOOLS_POST_TIME[ms]: 28312, TOOLS_POST_CALL_APPLICATIONS: 66, TOOLS_POST_CALL_TIME[ms]: 123, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 71, TOOLS_QUANTIFIERELIM_APPLICATIONS: 279, TOOLS_QUANTIFIERELIM_TIME[ms]: 28425, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28237, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 237, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 73, DOMAIN_JOIN_TIME[ms]: 157365, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 771, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 42, DOMAIN_ISBOTTOM_TIME[ms]: 204, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 153453, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 153452, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32674, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32673, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 370, DAG_COMPRESSION_RETAINED_NODES: 204 - UnprovableResult [Line: 935]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 450#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...